Finding the Fourth Proportional to 441,573,602.01, 609,375,600.72 and 243,342,209.31

Step by Step Solution

1. Step 1: Write the proportion equation
   441,573,602.01 : 609,375,600.72 = 243,342,209.31 : x
2. Step 2: Convert to fraction form
   441,573,602.01/609,375,600.72 = 243,342,209.31/x
3. Step 3: Cross multiply
   441,573,602.01x = 609,375,600.72 × 243,342,209.31
4. Step 4: Simplify right side
   441,573,602.01x = 148,286,804,978,813,248
5. Step 5: Solve for x
   x = 148,286,804,978,813,248/441,573,602.01
6. Step 6: Final answer
   x = 335,814,469.67